MESON Chess Problem Database

Problem Display
PID: 66923 (3r1n1B/3Qp3/4P3/q2n4/1p2kPB1/R1r2pK1/R1N2p2/5N2 w - - 0 1)

Lacny, Ludovit

1st Prize, Schach-Aktiv, 1993

3r1n1B/3Qp3/4P3/q2n4/1p2kPB1/R1r2pK1/R1N2p2/5N2

#2

10 + 10

5416 FIDE Album (1992-1994) (Annexe) 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Sd2#
    • 1...Rc4
      • 2.Sd2#
    • 1...Rc5
      • 2.Sd2#
    • 1...Rc6
      • 2.Sd2#
    • 1...Rc7
      • 2.Sd2#
    • 1...Rcc8
      • 2.Sd2#
    • 1...Se3
      • 2.Sd2#
    • 1...Sxf4
      • 2.Sd2#
    • 1...Sb6
      • 2.Sd2#
    • 1...Sf6
      • 2.Sd2#
    • 1...Sc7
      • 2.Sd2#
  • Tries
    • 1.Qb5?
      • threat
        • 2.Sd2#
      • 1...Rxc2
        • 2.Qd3#
      • 1...Sxf4
        • 2.Bf5#
      • 1...Rd3
        • 2.Qxd3#
      • 1...Se3
        • 2.Bxf3#
      • 1...Sb6
        • 2.Bf5#
      • 1...Sf6
        • 2.Bf5#
      • 1...Sc7
        • 2.Bf5#
      • 1...Qxb5!
  • Keys
    • 1.Sce3!
      • threat
        • 2.Bf5#
      • 1...Kd3
        • 2.Bf5#
      • 1...Rxe3
        • 2.Sd2#
      • 1...Sxe3
        • 2.Sd2#
      • 1...Sxf4
        • 2.Bxf3#
      • 1...Sb6
        • 2.Bxf3#
      • 1...Sf6
        • 2.Bxf3#
      • 1...Sc7
        • 2.Bxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • R(b);::S(A)
    • S(g);::S(A)
    • S(g);XP(F)::S(A)
  • Tries
    • Try
      • Q(I);
      • Threat
        • S(A)
      • Vars
        • R(b);N_GUARD,XS(C)::QAB1(I)
        • S(g);XP(F)::B(G)
        • R(b);N_GUARD::QAB1(I),XR(b)
        • S(g);S_CUTR(b)::B(G),XP(c)
        • S(g);::B(G)
      • Refutation
        • Q(f);XQ(I)
  • Actual
    • S(C);
    • Threat
      • B(G)
    • Vars
      • K(e);P_SPINR(b),P_SPINS(g),S_FLIGHT::B(G)
      • R(b);XS(C)::S(A)
      • S(g);SBLOCK,XS(C)::S(A)
      • S(g);XP(F)::B(G),XP(c)
      • S(g);::B(G),XP(c)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).